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The species distribution of exogenous Hg (II) simulated to contaminate vegetable-growing soil has been investigated by a modified Tessier scheme of sequential extraction procedures (SEPs) detected with a quantitative analytical method and an isotopic labeling method, respectively. The results showed that the summed value of Hg concentrations in all eight species extracted with the SEPs protocol was...
E value, based on isotope dilution method, is considered as an unambiguous index to assess the labile heavy metals in soils compared with the methods of chemical extraction. In the present study, the E values of Cd and Pb in polluted soils (QZDH and PTHJ soils) and non-polluted vegetable-growing soils (XMTA soils) were determined using stable isotope dilution method, and the compartments of E ...
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